Danfoss AK-UI55 User manual

084R8057
AN294434115977en-000202
Identification Dimensions
Mounting
Connection
AK-UI cable, 3 m: 084B4078
AK-UI cable, 6 m: 084B4079
RJ 12
AK-UI55 Set
tamb = 0 – 55 °C
32 – 130 °F
Non condensing
L max.= 100 m
NEMA4
IP65
0.5 - 3.0 mm
L1+ L2 : max.= 100 m
L1
L2
AK-UI55 Bluetooth
AK-UI55 Info
Installation Guide
AK-UI55
© Danfoss | DCS (vt) | 2019.09 AN294434115977en-000202b| 1

AK-UI55 Info
AK-UI55 Bluetooth
Functions:
See the respective controller's User Guide.
Lights up in event of:
Energy optimization
Cooling
Defrosting
Fan operation
Lights up in event of:
Alarm
The display can give the following messages:
-d- Defrost is in progress
Err The temperature cannot be displayed due to a sensor error
Fan Appliance cleaning has been initiated. The fans are running
OFF Appliance cleaning is activated and the appliance can be cleaned
OFF The main switch is set to Off
SEr The main switch is set to service / manual operation
CO Flashes: Will display in event of a refrigerant leakage alarm, but only if the refrigerant is set up for CO
With start-up /connection to a controller,
the display will“light up in circles”as it col-
lects data from the controller.
Without configuration, the display
can show the same information as
shown above.
Loc
The operation is locked and cannot
be operated via Bluetooth.
Unlock from the system device.
Access to parameters via Bluetooth and app
1. App can be downloaded from Google App Store and Google Play
Name = AK-CC55 Connect
Start the app.
2. Click on the display’s Bluetooth button for 3 seconds.
The Bluetooth light will then flash while display is showing the
controller’s address.
3. Connect to the controller from the app.
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2 | AN294434115977en-000202b

ADAP-KOOL®
AK-UI55 Set
Display during operation
The values will be shown with three digits, and with a setting you can display the temperature in °C or in °F.
Lights in event of alarm — press on alarm button — alarm relay is reset — alarm code displayed — e.g.“A1”
Lights up in event of:
Energy optimization
Cooling
Defrosting
Fan operation Up arrow / Down arrow / Arrow to left:
Navigation in the menu and setting of values.
Long press (3 seconds) will start a defrost,
“dEF” is shown in the display.
Long press (3 seconds) gives access to the
information menu “InF”
SET:
Long press (3 seconds) gives access to the“SEt”menu.
If the operation is locked with a password,“PS” is shown. Enter the code.
Shows the setting for a chosen parameter / saves a changed setting.
Short press gives access to entering of the thermostat’s cut-out limit.
Alarm Codes:
See the respective controller's User Guide.
The display can give the following messages:
-d- Defrost is in progress
Err The temperature cannot be displayed due to a sensor error
Err The display cannot load data from the controller. Disconnect and then reconnect the display
ALA The alarm button is activated. The first alarm code is then shown
- - - Top position in the alarm queue
- - - Bottom position in the alarm queue
Loc The configuration is locked. Unlock by pressing (for 3 seconds) on the‘up arrow’ and ‘down arrow’ simultaneously
UnL The configuration is unlocked
- - - The parameter has reached min. or max. limit
PS A password is required for access to the menu
Fan Appliance cleaning has been initiated. The fans are running
OFF Appliance cleaning is activated and the appliance can now be cleaned
OFF The main switch is set to Off
SEr The main switch is set to service / manual operation
CO Flashes: Will display in event of a refrigerant leakage alarm, but only if the refrigerant is set up for CO
Factory setting
If you need to return to the factoryset values it can be done in this way:
- Cut off the supply voltage to the controller
- Keep up "∧" and down "∨"arrow buttons depressed at the same time as you reconnect the supply voltage
- When FAc is shown in the display select "yes"
© Danfoss | DCS (vt) | 2019.09 AN294434115977en-000202b| 3

ADAP-KOOL®
Statements for the AK-UI55 Bluetooth display:
FCC COMPLIANCE STATEMENT
CAUTION: Changes or modifications not expressly approved could void your authority to use this equipment
This device complies with Part 15 of the FCC Rules. Operation to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation
INDUSTRY CANADA STATEMENT
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the
device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux
deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
NOTICE
FCC COMPLIANT NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Modifications: Any modifications made to this device that are not approved by Danfoss may void the authority granted to the user by the FCC to
operate this equipment.
Any regulatory related concerns contact: [email protected]
Danfoss Cooling
11655 Crossroads Circle
Baltimore, Maryland 21220
United States of America
www.danfoss.com
EU CONFORMITY NOTICE
Hereby, Danfoss A/S declares that the radio equipment type AK-UI55 Bluetooth is in compliance with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet address: www.danfoss.com
Danfoss A/S
Nordborgvej 81
6430 Nordborg
Denmark
www.danfoss.com
© Danfoss | DCS (vt) | 2019.09 AN294434115977en-000202b| 4